如何在不翻耕土壤的情况下除草？


你可以使用以下方法有效清除杂草，而无需耕地：

闷死植物，切断根部，或使用加热和有机喷雾剂。避免耕作实际上更有利于土壤健康，因为它能将杂草种子埋在地下，使它们无法发芽。

🚫 覆盖和阻挡（最适合大面积使用）
这些方法通过剥夺杂草的光照和空气来杀死它们。
  • 覆盖式覆盖：用纸板或厚厚的报纸覆盖该区域。边缘重叠15厘米（6英寸）以防止“渗漏”。再覆盖10厘米（4英寸）厚的木屑或堆肥。(*need 4-6 weeks)
  • 土壤消毒法：在最热的月份，将透明塑料薄膜紧紧覆盖在土壤上。塑料薄膜吸收的热量会“烤死”杂草和种子。
  • 遮光法：使用厚重的黑色青贮篷布。这样可以阻挡所有光线，在 4-6 周内杀死杂草，而不会使土壤微生物过热。
🛡️预防策略
除掉杂草后，要防止它们再次生长。
  • 覆盖作物：种植三叶草或黑麦等“绿肥”来占据空间，防止杂草入侵。
  • 密植：通过缩小植物间距来减少裸露土壤。
  • 木屑：始终保持 5-8 厘米（2-3 英寸）厚的覆盖层，以阻挡光线照射到休眠的种子。



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